Oligofructose is not a sugar substitute. Oligofructose, also known as oligofructose, is a natural nutrient, one of the common prebiotics, and also belongs to the water-soluble dietary fiber, which exists in a variety of natural plants and fruits, such as bananas, asparagus, wheat, onions, honey, etc. It does not elevate blood glucose, and has no significant effect on blood glucose. Sugar substitute is a class of food additives, characterized by the same sweetness with white sugar, sucrose, glucose, etc., but does not raise blood sugar after consumption, common xylitol, erythritol, steviol glycosides. Eat oligofructose or sugar substitutes if you have discomfort on the body, to actively seek medical attention, can not eat food, to avoid affecting health.